The Double Asteroid Redirection Test is the first planetary defense experiment ever attempted.
Crashing the 1,340-pound DART probe into the small moonlet orbiting the asteroid Didymos should redirect its trajectory – and could be a model for how to save Earth in the future.
China and the U.S. both have big plans for the Moon, but there are a number of reasons why no country could actually claim ownership of any land there.
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A comment by Bill Nelson, the NASA administrator, sparked a strong public response from the Chinese government. But due to legal and practical reasons, no country could take over the Moon anytime soon.
The International Space Station is a great example of how space has, for the most part, been a peaceful and collaborative international arena.
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Activities in space today are far more numerous and complicated compared to 1967, before humans had landed on the moon or Elon Musk had been born. Two experts explain the need for better laws to keep space peaceful.
If a satellite is destroyed, the debris fans out in orbit and poses serious threats to other satellites or crewed spacecraft.
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Russia destroyed one of its old satellites during a successful test of an anti-satellite weapon. A space security expert explains what this weapon was and the dangers of the expanding debris field.
As Australia’s efforts in space accelerate, we must avoid escalating a cycle of competition and conflict.
With little else to draw from, people turn to science fiction when thinking about the Space Force.
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Science fiction has often had an inspirational and positive relationship with space endeavors. But the new US Space Force is struggling with a pop culture public relations problem.
A change of government in the USA means less risk of ‘space war’ and more hope for peaceful cooperation.
Mars 2020 Perseverance space mission launches from Kennedy Space Center.
With a new president in the White House and NASA’s chief administrator resigning we can expect changes to space policy.
Who owns the Moon?
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US and international law conflicts about who would be in charge if a private company established a Moon base or colonized Mars.
A composite image of a satellite firing an energy weapon at a target on Earth.
In the space beyond Earth’s atmosphere, countries are focusing on nationalist pursuits and ignoring the consequences for the rest of humanity. How can we keep the peace and build a sustainable future?
Crowds watch as the space shuttle Discovery lifts off from Kennedy Space Center in Cape Canaveral, Fla.
AP Photo/Phil Sandlin
The United States already has a space agency: NASA. So why do we need a Space Force, and what would it do? Could a Space Force strain diplomatic relationships, reigniting the race to militarize space?
The moon is our closest neighbour and our best hope for building capacity to explore space.
U.S. Vice-President Mike Pence speaks about the creation of a United States Space Force on Aug. 9, 2018 at the Pentagon.
(AP Photo/Evan Vucci)
Could Canadian technology play a part in the newly announced U.S. Space Force? A team at McMaster University has developed an instrument that could keep Space Force troops safe from radiation.
Seasoned readers of US science fiction will have the uncanny feeling of having seen this all before.
A US Delta IV rocket lifts off.
United Launch Alliance/AFSPC
A new name on a few military badges doesn’t imply an escalating arms race.